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Captain of air carrier medium large transport aircraft overshot the turn on to final and descended below assigned intercept altitude due to a TCASII warning 'RA'.
| Attributes | |
| ACN | 211410 |
| Time | |
| Date | 199205 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : clt |
| State Reference | NC |
| Altitude | msl bound lower : 2600 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : clt artcc : zob |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : atp pilot : instrument |
| Experience | flight time last 90 days : 210 flight time total : 7000 flight time type : 2800 |
| ASRS Report | 211410 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Miss Distance | horizontal : 9000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While intercepting the 36L localizer at clt we overshot due to a late turn on and we got a TCASII warning and then a command to descend. The aircraft turned out to be behind us but in a turn it was difficult to ascertain at first. We descended about 400 ft and the warning stopped, then we returned to 3000 ft and continued the approach. After alerting ATC they confirmed the traffic was behind us.
Original NASA ASRS Text
Title: CAPT OF ACR MLG ACFT OVERSHOT THE TURN ON TO FINAL AND DSNDED BELOW ASSIGNED INTERCEPT ALT DUE TO A TCASII WARNING 'RA'.
Narrative: WHILE INTERCEPTING THE 36L LOC AT CLT WE OVERSHOT DUE TO A LATE TURN ON AND WE GOT A TCASII WARNING AND THEN A COMMAND TO DSND. THE ACFT TURNED OUT TO BE BEHIND US BUT IN A TURN IT WAS DIFFICULT TO ASCERTAIN AT FIRST. WE DSNDED ABOUT 400 FT AND THE WARNING STOPPED, THEN WE RETURNED TO 3000 FT AND CONTINUED THE APCH. AFTER ALERTING ATC THEY CONFIRMED THE TFC WAS BEHIND US.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.